Herbicide label

Zaraxon Herbicide Label

Zaraxon (EPA 81927-61-66222) is a Group 4 fluroxypyr 1-methylheptyl ester herbicide labeled for 10 crops. The label lists 21 controlled weeds, plus partial-control, suppression, and partner-control categories.

Zaraxon label facts

Crops on the Zaraxon label

Zaraxon is labeled for these 10 crops and uses, per the EPA label.

Weeds on the Zaraxon label

The Zaraxon label names 34 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.

Controls

full control21
  • bedstraw, catchweed
  • chickweed
  • jimsonweed
  • potato, volunteer
  • purslane, common
  • bindweed, hedge
  • cocklebur, common
  • dogbane, hemp
  • kochia
  • mallow, venice
  • morningglory
  • puncturevine
  • ragweed, common
  • ragweed, giant
  • sunflower
  • velvetleaf
  • clover, white
  • coffeeweed
  • volunteer flax
  • grape species
  • prickly lettuce

Suppression

suppression13
  • marshelder
  • bindweed, field
  • buckwheat, wild
  • devilsclaw
  • horseweed
  • mustard
  • nightshade, black
  • pennycress, field
  • thistle, russian
  • volunteer canola
  • horsetail, field
  • knotweed
  • mallow, common

Zaraxon rates and plant-back

The label answers both with a table, not a single number. Here is what drives each answer.

Application rate

Your rate depends on your crop.

Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.

Plant-back and rotation

Your interval depends on your application rate and the rotational crop.

Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.

Zaraxon FAQ

What weeds does Zaraxon control?

The Zaraxon label names 34 weeds, including catchweed bedstraw, chickweed, jimsonweed, volunteer potato, common purslane, and hedge bindweed. Control varies by crop, rate, and timing.

What crops is Zaraxon labeled for?

Zaraxon is labeled for 10 crops and uses, including field corn, wheat, barley, sorghum, and fallow.

What is the active ingredient in Zaraxon? Is it a generic?

Zaraxon's active ingredient is fluroxypyr 1-methylheptyl ester (MOA Group 4). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Sources

Last updated 2026-09-30.